DEHA / Oxygen Control Test Kit

Some reagents required for tests shown in this booklet are classed as hazardous and as such, a minimum protection of gloves (rubber or plastic) and safety goggles/spectacles or facemask MUST BE WORN.

In addition please note and observe the Risk and Safety phrases on each reagent container and follow handling guidelines as instructed.

• Avoid contact with skin or eyes
• In case of contact with skin or eyes rinse immediately with plenty of running tap water, and seek medical attention
• Seek attention if irritation persists
• In case of ingestion, wash the mouth out thoroughly with water, try to vomit and seek medical attention

DEHA mg/l (ppm) = Disc Reading

1. The comparator containing the BLANK and TEST cells (Step 4) should be stored in the dark for the 10 minute colour development period.
2. Substances which reduce ferric iron will interfere.
3. Substances which strongly complex iron may interfere.
4. To determine other oxygen scavengers, perform the test as detailed above, then multiply the DEHA result obtained by the following factor:

Turbid samples should be filtered prior to analysis for best colour match

• Contact us for advise
• E-mail us all test figures over a period of at least 3 months